4 * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org>
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
29 #include <sys/select.h>
33 static void log_fn(struct udev *udev,
34 int priority, const char *file, int line, const char *fn,
35 const char *format, va_list args)
37 printf("test-libudev: %s %s:%d ", fn, file, line);
38 vprintf(format, args);
41 static void print_device(struct udev_device *device)
46 struct udev_list_entry *list_entry;
48 printf("*** device: %p ***\n", device);
49 str = udev_device_get_action(device);
51 printf("action: '%s'\n", str);
53 str = udev_device_get_syspath(device);
54 printf("syspath: '%s'\n", str);
56 str = udev_device_get_sysname(device);
57 printf("sysname: '%s'\n", str);
59 str = udev_device_get_sysnum(device);
61 printf("sysnum: '%s'\n", str);
63 str = udev_device_get_devpath(device);
64 printf("devpath: '%s'\n", str);
66 str = udev_device_get_subsystem(device);
68 printf("subsystem: '%s'\n", str);
70 str = udev_device_get_driver(device);
72 printf("driver: '%s'\n", str);
74 str = udev_device_get_devnode(device);
76 printf("devname: '%s'\n", str);
78 devnum = udev_device_get_devnum(device);
79 if (major(devnum) > 0)
80 printf("devnum: %u:%u\n", major(devnum), minor(devnum));
83 udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) {
84 printf("link: '%s'\n", udev_list_entry_get_name(list_entry));
88 printf("found %i links\n", count);
91 udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) {
92 printf("property: '%s=%s'\n",
93 udev_list_entry_get_name(list_entry),
94 udev_list_entry_get_value(list_entry));
98 printf("found %i properties\n", count);
100 str = udev_device_get_sysattr_value(device, "dev");
102 printf("attr{dev}: '%s'\n", str);
107 static int test_device(struct udev *udev, const char *syspath)
109 struct udev_device *device;
111 printf("looking at device: %s\n", syspath);
112 device = udev_device_new_from_syspath(udev, syspath);
113 if (device == NULL) {
114 printf("no device found\n");
117 print_device(device);
118 udev_device_unref(device);
122 static int test_device_parents(struct udev *udev, const char *syspath)
124 struct udev_device *device;
125 struct udev_device *device_parent;
127 printf("looking at device: %s\n", syspath);
128 device = udev_device_new_from_syspath(udev, syspath);
132 printf("looking at parents\n");
133 device_parent = device;
135 print_device(device_parent);
136 device_parent = udev_device_get_parent(device_parent);
137 } while (device_parent != NULL);
139 printf("looking at parents again\n");
140 device_parent = device;
142 print_device(device_parent);
143 device_parent = udev_device_get_parent(device_parent);
144 } while (device_parent != NULL);
145 udev_device_unref(device);
150 static int test_device_devnum(struct udev *udev)
152 dev_t devnum = makedev(1, 3);
153 struct udev_device *device;
155 printf("looking up device: %u:%u\n", major(devnum), minor(devnum));
156 device = udev_device_new_from_devnum(udev, 'c', devnum);
159 print_device(device);
160 udev_device_unref(device);
164 static int test_device_subsys_name(struct udev *udev)
166 struct udev_device *device;
168 printf("looking up device: 'block':'sda'\n");
169 device = udev_device_new_from_subsystem_sysname(udev, "block", "sda");
172 print_device(device);
173 udev_device_unref(device);
175 printf("looking up device: 'subsystem':'pci'\n");
176 device = udev_device_new_from_subsystem_sysname(udev, "subsystem", "pci");
179 print_device(device);
180 udev_device_unref(device);
182 printf("looking up device: 'drivers':'scsi:sd'\n");
183 device = udev_device_new_from_subsystem_sysname(udev, "drivers", "scsi:sd");
186 print_device(device);
187 udev_device_unref(device);
189 printf("looking up device: 'module':'printk'\n");
190 device = udev_device_new_from_subsystem_sysname(udev, "module", "printk");
193 print_device(device);
194 udev_device_unref(device);
198 static int test_enumerate_print_list(struct udev_enumerate *enumerate)
200 struct udev_list_entry *list_entry;
203 udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) {
204 struct udev_device *device;
206 device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate),
207 udev_list_entry_get_name(list_entry));
208 if (device != NULL) {
209 printf("device: '%s' (%s)\n",
210 udev_device_get_syspath(device),
211 udev_device_get_subsystem(device));
212 udev_device_unref(device);
216 printf("found %i devices\n\n", count);
220 static int test_monitor(struct udev *udev, const char *socket_path)
222 struct udev_monitor *udev_monitor;
226 udev_monitor = udev_monitor_new_from_socket(udev, socket_path);
227 if (udev_monitor == NULL) {
228 printf("no socket\n");
231 if (udev_monitor_enable_receiving(udev_monitor) < 0) {
232 printf("bind failed\n");
236 fd = udev_monitor_get_fd(udev_monitor);
240 struct udev_device *device;
243 FD_SET(STDIN_FILENO, &readfds);
244 FD_SET(fd, &readfds);
246 printf("waiting for events on %s, press ENTER to exit\n", socket_path);
247 fdcount = select(fd+1, &readfds, NULL, NULL, NULL);
248 printf("select fd count: %i\n", fdcount);
250 if (FD_ISSET(fd, &readfds)) {
251 device = udev_monitor_receive_device(udev_monitor);
252 if (device == NULL) {
253 printf("no device from socket\n");
256 print_device(device);
257 udev_device_unref(device);
260 if (FD_ISSET(STDIN_FILENO, &readfds)) {
261 printf("exiting loop\n");
266 udev_monitor_unref(udev_monitor);
270 static int test_queue(struct udev *udev)
272 struct udev_queue *udev_queue;
273 unsigned long long int seqnum;
274 struct udev_list_entry *list_entry;
276 udev_queue = udev_queue_new(udev);
277 if (udev_queue == NULL)
279 seqnum = udev_queue_get_kernel_seqnum(udev_queue);
280 printf("seqnum kernel: %llu\n", seqnum);
281 seqnum = udev_queue_get_udev_seqnum(udev_queue);
282 printf("seqnum udev : %llu\n", seqnum);
284 if (udev_queue_get_queue_is_empty(udev_queue))
285 printf("queue is empty\n");
286 printf("get queue list\n");
287 udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
288 printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
290 printf("get queue list again\n");
291 udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
292 printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
294 printf("get failed list\n");
295 udev_list_entry_foreach(list_entry, udev_queue_get_failed_list_entry(udev_queue))
296 printf("failed: '%s'\n", udev_list_entry_get_name(list_entry));
299 list_entry = udev_queue_get_queued_list_entry(udev_queue);
300 if (list_entry != NULL) {
301 printf("event [%llu] is queued\n", seqnum);
302 seqnum = strtoull(udev_list_entry_get_value(list_entry), NULL, 10);
303 if (udev_queue_get_seqnum_is_finished(udev_queue, seqnum))
304 printf("event [%llu] is not finished\n", seqnum);
306 printf("event [%llu] is finished\n", seqnum);
309 udev_queue_unref(udev_queue);
313 static int test_enumerate(struct udev *udev, const char *subsystem)
315 struct udev_enumerate *udev_enumerate;
317 printf("enumerate '%s'\n", subsystem == NULL ? "<all>" : subsystem);
318 udev_enumerate = udev_enumerate_new(udev);
319 if (udev_enumerate == NULL)
321 udev_enumerate_add_match_subsystem(udev_enumerate, subsystem);
322 udev_enumerate_scan_devices(udev_enumerate);
323 test_enumerate_print_list(udev_enumerate);
324 udev_enumerate_unref(udev_enumerate);
326 printf("enumerate 'block'\n");
327 udev_enumerate = udev_enumerate_new(udev);
328 if (udev_enumerate == NULL)
330 udev_enumerate_add_match_subsystem(udev_enumerate,"block");
331 udev_enumerate_scan_devices(udev_enumerate);
332 test_enumerate_print_list(udev_enumerate);
333 udev_enumerate_unref(udev_enumerate);
335 printf("enumerate 'not block'\n");
336 udev_enumerate = udev_enumerate_new(udev);
337 if (udev_enumerate == NULL)
339 udev_enumerate_add_nomatch_subsystem(udev_enumerate, "block");
340 udev_enumerate_scan_devices(udev_enumerate);
341 test_enumerate_print_list(udev_enumerate);
342 udev_enumerate_unref(udev_enumerate);
344 printf("enumerate 'pci, mem, vc'\n");
345 udev_enumerate = udev_enumerate_new(udev);
346 if (udev_enumerate == NULL)
348 udev_enumerate_add_match_subsystem(udev_enumerate, "pci");
349 udev_enumerate_add_match_subsystem(udev_enumerate, "mem");
350 udev_enumerate_add_match_subsystem(udev_enumerate, "vc");
351 udev_enumerate_scan_devices(udev_enumerate);
352 test_enumerate_print_list(udev_enumerate);
353 udev_enumerate_unref(udev_enumerate);
355 printf("enumerate 'subsystem'\n");
356 udev_enumerate = udev_enumerate_new(udev);
357 if (udev_enumerate == NULL)
359 udev_enumerate_scan_subsystems(udev_enumerate);
360 test_enumerate_print_list(udev_enumerate);
361 udev_enumerate_unref(udev_enumerate);
365 int main(int argc, char *argv[])
367 struct udev *udev = NULL;
368 static const struct option options[] = {
369 { "syspath", required_argument, NULL, 'p' },
370 { "subsystem", required_argument, NULL, 's' },
371 { "socket", required_argument, NULL, 'S' },
372 { "debug", no_argument, NULL, 'd' },
373 { "help", no_argument, NULL, 'h' },
374 { "version", no_argument, NULL, 'V' },
377 const char *syspath = "/devices/virtual/mem/null";
378 const char *subsystem = NULL;
379 const char *socket = "@/org/kernel/udev/monitor";
384 printf("context: %p\n", udev);
386 printf("no context\n");
389 udev_set_log_fn(udev, log_fn);
390 printf("set log: %p\n", log_fn);
395 option = getopt_long(argc, argv, "+dhV", options, NULL);
410 if (udev_get_log_priority(udev) < LOG_INFO)
411 udev_set_log_priority(udev, LOG_INFO);
414 printf("--debug --syspath= --subsystem= --socket= --help\n");
417 printf("%s\n", VERSION);
424 str = udev_get_sys_path(udev);
425 printf("sys_path: '%s'\n", str);
426 str = udev_get_dev_path(udev);
427 printf("dev_path: '%s'\n", str);
429 /* add sys path if needed */
430 if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) {
431 snprintf(path, sizeof(path), "%s%s", udev_get_sys_path(udev), syspath);
435 test_device(udev, syspath);
436 test_device_devnum(udev);
437 test_device_subsys_name(udev);
438 test_device_parents(udev, syspath);
440 test_enumerate(udev, subsystem);
444 test_monitor(udev, socket);